186 THERAPHOSID^E. 



Genus THRIGMOPCEUS, Pooock. 

 Thrigmopceus, Pocock, Jour. Bom. N. H. Soc. xii, p. 747, 1899. 



Closely allied to Haploclastus, but with the stridulating area on 

 mandible consisting of a large semicircular cluster of many curved, 

 thickened, but pointed bristles; on the maxilla the aciculate 

 bristles above the suture are arranged without definite order, but 

 below the suture there is a definite curved vertical row of these 

 bristles near the middle of the segment, the area behind this row 

 being smooth and in front of it furnished with many bristles 

 arranged without order. Protarsi of 3rd and 4th legs armed 

 .apically with marginal spines both above and below. 



Type, T. insignis, Pocock. 



Distribution. Western India. 



Synopsis of Species. 



M. Fovea as wide as ocular tubercle ; carapace 



longer than patella and tibia of 2nd leg, 



equal to those of 4th T. insignis, p. 186. 



b. Fovea less than width of tubercle ; carapace 



shorter than patella and tibia of 2nd leg 



and than those of 4th T. truculentus, p. 186. 



172. Thrigmopceus insignis, Pocock, Jour. Bom. N. H. Soc. xii, p. 747, 



1899. 



$ . Colour : integument blackish, hairs on carapace yellowish 

 brown, darker on upper side of legs ; velvety black on sternum, 

 coxae, and lower side of femora and abdomen. Carapace nearly 

 one-third longer than broad, moderately high ; fovea as wide as 

 ocular tubercle, lightly procurved ; length of carapace equal to that 

 of patella and tibia of 4th leg, slightly shorter than those of 1st, 

 a little longer than patella and tibia of 2nd and than protarsus and 

 tarsus of 4th. First leg less than three times the length of the 

 carapace, 3rd a little more than twice the length ; patella and 

 tibia of 3rd as long as width of carapace. 



Measurements in mm. Total length 55, length of carapace 27 ; 

 length of 1st leg 76, of 2nd 68, of 3rd 56, of 4th 73. 

 Loc. Kanara Ghats (Bell). 



173. Thrigmopceus truculentus, Pocock, Jour. Bom. N. H. Soc. xii, 



p. 748, 1899. 



Smaller and paler in colour than the preceding species ; carapace 

 lower ; fovea less than width of ocular tubercle ; length of carapace 

 less than that of patella and tibia and than protarsus and tarsus of 

 4th leg, less also than patella and tibia of 2nd and than protarsus 

 and tarsus of 4th. Legs longer, 1st leg nearly three and a half 

 times as long as carapace. 



Measurements in mm. Total length 40, length of carapace 19 ; 

 length of 1st leg 65, 2nd 57, 3rd 44, 4th 62. 



Loc. India : Karwar (Bombay N. H. Soc.). 



